617789712016 has 15 divisors (see below), whose sum is σ = 1196973658531. Its totient is φ = 308893284016.

The previous prime is 617789711983. The next prime is 617789712053. The reversal of 617789712016 is 610217987716.

The square root of 617789712016 is 785996.

It is a perfect power (a square), and thus also a powerful number.

617789712016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3045735 + ... + 3242233.

Almost surely, 2^617789712016 is an apocalyptic number.

617789712016 is the 785996-th square number.

It is an amenable number.

617789712016 is a deficient number, since it is larger than the sum of its proper divisors (579183946515).

617789712016 is an frugal number, since it uses more digits than its factorization.

617789712016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393006 (or 196501 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 55.

The spelling of 617789712016 in words is "six hundred seventeen billion, seven hundred eighty-nine million, seven hundred twelve thousand, sixteen".